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Finding the Fourth Proportional to 448,779.36, 673,206.12 and 323,005.02

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Solution

The fourth proportional to 448,779.36, 673,206.12 and 323,005.02 is: 484,534.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,779.36 : 673,206.12 = 323,005.02 : x
  2. Step 2: Convert to fraction form
    448,779.36/673,206.12 = 323,005.02/x
  3. Step 3: Cross multiply
    448,779.36x = 673,206.12 × 323,005.02
  4. Step 4: Simplify right side
    448,779.36x = 217,448,956,254.72
  5. Step 5: Solve for x
    x = 217,448,956,254.72/448,779.36
  6. Step 6: Final answer
    x = 484,534.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.